Shuffle media-related WebMimeRegistry code from webkit/ to content/.

webkit/support/test_shell_webmimeregistry_impl.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WEBKIT_SUPPORT_TEST_SHELL_WEBMIMEREGISTRY_IMPL_H_
-#define WEBKIT_SUPPORT_TEST_SHELL_WEBMIMEREGISTRY_IMPL_H_
-
-#include <string>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
-#include "webkit/glue/simple_webmimeregistry_impl.h"
-
-class TestShellWebMimeRegistryImpl
-    : public webkit_glue::SimpleWebMimeRegistryImpl {
- public:
-  TestShellWebMimeRegistryImpl();
-  virtual ~TestShellWebMimeRegistryImpl();
-
-  // Override to force that we only support types and codecs that are supported
-  // by all variations of Chromium.
-  //
-  // Media layout tests use canPlayType() to determine the test input files.
-  // Different flavours of Chromium support different codecs, which has an
-  // impact on how canPlayType() behaves.  Since Chromium's baselines and
-  // expectations are generated against the common set of types, we need to
-  // prevent canPlayType() from indicating it supports other types when running
-  // layout tests.
-  virtual WebKit::WebMimeRegistry::SupportsType supportsMediaMIMEType(
-      const WebKit::WebString&,
-      const WebKit::WebString&,
-      const WebKit::WebString&) OVERRIDE;
-
- private:
-  bool IsBlacklistedMediaMimeType(const std::string& mime_type);
-  bool HasBlacklistedMediaCodecs(const std::vector<std::string>& codecs);
-
-  std::vector<std::string> blacklisted_media_types_;
-  std::vector<std::string> blacklisted_media_codecs_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestShellWebMimeRegistryImpl);
-};
-
-#endif  // WEBKIT_SUPPORT_TEST_SHELL_WEBMIMEREGISTRY_IMPL_H_